Finding the Fourth Proportional to 392.24, 541.68 and 237.08
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Solution
The fourth proportional to 392.24, 541.68 and 237.08 is: 327.41
Step by Step Solution
- Step 1: Write the proportion equation
392.24 : 541.68 = 237.08 : x - Step 2: Convert to fraction form
392.24/541.68 = 237.08/x - Step 3: Cross multiply
392.24x = 541.68 × 237.08 - Step 4: Simplify right side
392.24x = 128,421.49 - Step 5: Solve for x
x = 128,421.49/392.24 - Step 6: Final answer
x = 327.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.